JP6946266B2 - 急性心不全及び慢性心不全を治療するシステム - Google Patents
急性心不全及び慢性心不全を治療するシステム Download PDFInfo
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Description
本明細書は、例えば、以下の項目も提供する。
(項目1)
患者の心不全を治療するシステムであって、装置は:
近位端及び遠位領域を有するカテーテルであって、前記カテーテルが、患者の鎖骨下静脈内に、又は頸静脈内に挿通されて、前記遠位領域が患者の上大静脈内に留置されるように構成される、前記カテーテルと、
前記カテーテルの前記遠位領域に配置される流動制限部材であって、前記流動制限部材が、選択的に作動状態になって、前記上大静脈を少なくとも部分的に閉塞するように構成される、前記流動制限部材と、
前記カテーテルに操作可能に連結されて前記流動制限部材を間欠的に作動させることにより、前記上大静脈を複数の心周期にわたって少なくとも部分的に閉塞するように構成されるコントローラと、を備え、前記コントローラはプロセッサを含み、前記プロセッサをプログラムして:
前記流動制限部材を作動させることになる所定の流動制限時間区間に対応する格納値を適用し、
患者の血行動態の変動を表わす患者の生理的パラメータに対応する入力を受信し、
前記所定の流動制限時間区間の調整量に対応する出力を生成し、
前記出力を適用して前記所定の流動制限時間区間を修正するシステム。
(項目2)
前記カテーテルの前記近位端は、患者の外部に延びるように適合され、前記コントローラは、前記コントローラを患者が装着することができるように選択されるサイズ及び重量を有する、項目1に記載のシステム。
(項目3)
前記コントローラは更に、前記カテーテルの前記流動制限部材に連結されるように構成される駆動機構を備える、項目1に記載のシステム。
(項目4)
更に、データをセンサから受信するように構成され、かつ前記入力を前記コントローラの前記プロセッサに供給するように構成されるデータ転送回路を備える、項目1に記載のシステム。
(項目5)
カテーテルは1つ以上のセンサを含む、項目1に記載のシステム。
(項目6)
前記1つ以上のセンサは、少なくとも1つの血圧センサと、患者の心拍数を検出する電極群と、を含む、項目5に記載のシステム。
(項目7)
前記データ転送回路は、データを心拍数モニターから無線で受信するように構成される、項目4に記載のシステム。
(項目8)
前記データ転送回路は、生理的データを患者のコンピューティングデバイスと互いに双方向に送受信して患者に対して表示するように構成される、項目4に記載のシステム。
(項目9)
前記コントローラをプログラムして、前記コンピューティングデバイスの携帯電話通信機能を利用して、アラート状態を患者を監視する臨床医に送信する、項目8に記載のシステム。
(項目10)
前記流動制限部材は、前記駆動機構に操作用ワイヤを介して連結される項目3に記載のシステム。
(項目11)
前記流動制限部材は、前記駆動機構により作動すると、倒壊収縮状態から拡開展開状態に移行する項目3に記載のシステム。
(項目12)
前記流動制限部材は、前記駆動機構により作動すると、倒壊収縮状態から拡開展開状態に移行し、前記流動制限部材は、前記コントローラから操作可能に接続解除される場合に前記倒壊収縮状態に移行するように構成される項目3に記載のシステム。
(項目13)
前記コントローラは、埋め込まれるように構成される項目1に記載のシステム。
(項目14)
更に、前記コントローラと電気的に通信し、かつ前記コントローラに電力を供給するように構成される1つ以上の外部電源を備える項目1に記載のシステム。
(項目15)
前記1つ以上の外部電源は、前記1つ以上の外部電源の電力量が閾値電力量を下回る場合にアラートを発する項目14に記載のシステム。
Claims (15)
- 患者の心不全を治療するシステムであって、装置は:
近位端及び遠位領域を有するカテーテルであって、前記カテーテルが、患者の鎖骨下静脈内に、又は頸静脈内に挿通されて、前記遠位領域が患者の上大静脈内に留置されるように構成される、前記カテーテルと、
前記カテーテルの前記遠位領域に配置される流動制限部材であって、前記流動制限部材が、選択的に作動状態になって、前記上大静脈を少なくとも部分的に閉塞するように構成される、前記流動制限部材と、
前記カテーテルに操作可能に連結されて前記流動制限部材を間欠的に作動させることにより、前記上大静脈を複数の心周期にわたって少なくとも部分的に閉塞するように構成されるコントローラと、を備え、前記コントローラはプロセッサを含み、前記プロセッサは、
患者の静止時の心拍数に基づいた埋め込み時における前記流動制限部材を作動させることになる所定の流動制限時間区間に対応する格納値を適用し、
患者の血行動態の変動を表わす患者の生理的パラメータに対応する検出情報を受信し、
前記検出情報に基づいて前記流動制限部材の作動を調整するようにプログラムされる、システム。 - 前記カテーテルの前記近位端は、患者の外部に延びるように適合され、前記コントローラは、前記コントローラを患者が装着することができるように選択されるサイズ及び重量を有する、請求項1に記載のシステム。
- 前記コントローラは更に、前記カテーテルの前記流動制限部材に連結されるように構成される駆動機構を備える、請求項1に記載のシステム。
- 更に、データをセンサから受信するように構成され、かつ前記検出情報を前記コントローラの前記プロセッサに供給するように構成されるデータ転送回路を備える、請求項1に記載のシステム。
- カテーテルは1つ以上のセンサを含む、請求項1に記載のシステム。
- 前記1つ以上のセンサは、少なくとも1つの血圧センサと、患者の心拍数を検出する電極群と、を含む、請求項5に記載のシステム。
- 前記データ転送回路は、データを心拍数モニターから無線で受信するように構成される、請求項4に記載のシステム。
- 前記データ転送回路は、生理的データを患者のコンピューティングデバイスと互いに双方向に送受信して患者に対して表示するように構成される、請求項4に記載のシステム。
- 前記コントローラは、前記コンピューティングデバイスの携帯電話通信機能を利用して、アラート状態を患者を監視する臨床医に送信するようにプログラムされる、請求項8に記載のシステム。
- 前記流動制限部材は、前記駆動機構に操作用ワイヤを介して連結され、前記駆動機構は、力を前記操作用ワイヤの近位端に加えて、前記操作用ワイヤを後退させて、前記流動制限部材を拡開展開状態に移行させるように構成される、請求項3に記載のシステム。
- 前記流動制限部材は、前記駆動機構により作動すると、倒壊収縮状態から拡開展開状態に移行する、請求項3に記載のシステム。
- 前記流動制限部材は、前記駆動機構により作動すると、倒壊収縮状態から拡開展開状態に移行し、前記流動制限部材は、前記コントローラから操作可能に接続解除される場合に前記倒壊収縮状態に移行するように構成される、請求項3に記載のシステム。
- 前記コントローラは、埋め込まれるように構成される、請求項1に記載のシステム。
- 更に、前記コントローラと電気的に通信し、かつ前記コントローラに電力を供給するように構成される1つ以上の外部電源を備える、請求項1に記載のシステム。
- 前記1つ以上の外部電源は、前記1つ以上の外部電源の電力量が閾値電力量を下回る場合にアラートを発する、請求項14に記載のシステム。
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US15/203,437 US10279152B2 (en) | 2015-08-17 | 2016-07-06 | Systems and methods for treating acute and chronic heart failure |
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